diff --git a/addons/mail/static/src/models/message_seen_indicator.js b/addons/mail/static/src/models/message_seen_indicator.js
index bbf582c9874..5fa99032462 100644
--- a/addons/mail/static/src/models/message_seen_indicator.js
+++ b/addons/mail/static/src/models/message_seen_indicator.js
@@ -7,40 +7,6 @@ import { replace, unlinkAll } from '@mail/model/model_field_command';
 registerModel({
     name: 'MessageSeenIndicator',
     identifyingFields: ['thread', 'message'],
-    modelMethods: {
-        /**
-         * @param {Thread} [channel] the concerned thread
-         */
-        recomputeFetchedValues(channel = undefined) {
-            const indicatorFindFunction = channel ? localIndicator => localIndicator.thread === channel : undefined;
-            const indicators = this.messaging.models['MessageSeenIndicator'].all(indicatorFindFunction);
-            for (const indicator of indicators) {
-                indicator.update({
-                    hasEveryoneFetched: indicator._computeHasEveryoneFetched(),
-                    hasSomeoneFetched: indicator._computeHasSomeoneFetched(),
-                    partnersThatHaveFetched: indicator._computePartnersThatHaveFetched(),
-                });
-            }
-        },
-        /**
-         * @param {Thread} [channel] the concerned thread
-         */
-        recomputeSeenValues(channel = undefined) {
-            const indicatorFindFunction = channel ? localIndicator => localIndicator.thread === channel : undefined;
-            const indicators = this.messaging.models['MessageSeenIndicator'].all(indicatorFindFunction);
-            for (const indicator of indicators) {
-                indicator.update({
-                    hasEveryoneSeen: indicator._computeHasEveryoneSeen(),
-                    hasSomeoneFetched: indicator._computeHasSomeoneFetched(),
-                    hasSomeoneSeen: indicator._computeHasSomeoneSeen(),
-                    isMessagePreviousToLastCurrentPartnerMessageSeenByEveryone:
-                        indicator._computeIsMessagePreviousToLastCurrentPartnerMessageSeenByEveryone(),
-                    partnersThatHaveFetched: indicator._computePartnersThatHaveFetched(),
-                    partnersThatHaveSeen: indicator._computePartnersThatHaveSeen(),
-                });
-            }
-        },
-    },
     recordMethods: {
         /**
          * Manually called as not always called when necessary
diff --git a/addons/mail/static/src/models/messaging_notification_handler.js b/addons/mail/static/src/models/messaging_notification_handler.js
index a799d9d276b..9309ecd5fa3 100644
--- a/addons/mail/static/src/models/messaging_notification_handler.js
+++ b/addons/mail/static/src/models/messaging_notification_handler.js
@@ -177,8 +177,6 @@ registerModel({
                 message: insertAndReplace({ id: last_message_id }),
                 thread: replace(channel),
             });
-            // FIXME force the computing of message values (cf task-2261221)
-            this.messaging.models['MessageSeenIndicator'].recomputeFetchedValues(channel);
         },
         /**
          * @private
@@ -328,8 +326,6 @@ registerModel({
             if (shouldComputeSeenIndicators) {
                 // FIXME force the computing of thread values (cf task-2261221)
                 this.messaging.models['Thread'].computeLastCurrentPartnerMessageSeenByEveryone(channel);
-                // FIXME force the computing of message values (cf task-2261221)
-                this.messaging.models['MessageSeenIndicator'].recomputeSeenValues(channel);
             }
         },
         /**